Home / 53,868.78-80,606.32-31,692.60

Finding the Fourth Proportional to 53,868.78, 80,606.32 and 31,692.60

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Solution

The fourth proportional to 53,868.78, 80,606.32 and 31,692.60 is: 47,423.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,868.78 : 80,606.32 = 31,692.60 : x
  2. Step 2: Convert to fraction form
    53,868.78/80,606.32 = 31,692.60/x
  3. Step 3: Cross multiply
    53,868.78x = 80,606.32 × 31,692.60
  4. Step 4: Simplify right side
    53,868.78x = 2,554,623,778.00
  5. Step 5: Solve for x
    x = 2,554,623,778.00/53,868.78
  6. Step 6: Final answer
    x = 47,423.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.